Cornerstone is a set of JavaScript libraries that can be used to build web-based medical imaging applications. It provides a framework to build radiology applications such as the OHIF Viewer.
A brush tool that allows you to set a low and high threshold range in HU units while drawing segmentations.
3D Threshold segmentation tool that allows you to segment several slices at once using a rectangle ROI
3D Threshold segmentation tool that allows you to segment several slices at once within a freehand ROI, and then apply a threshold to the segmented area.